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11#ifndef ASM_KVM_HOST_H
12#define ASM_KVM_HOST_H
13
14#include <linux/types.h>
15#include <linux/hrtimer.h>
16#include <linux/interrupt.h>
17#include <linux/kvm_types.h>
18#include <linux/kvm_host.h>
19#include <linux/kvm.h>
20#include <linux/seqlock.h>
21#include <linux/module.h>
22#include <asm/debug.h>
23#include <asm/cpu.h>
24#include <asm/fpu/api.h>
25#include <asm/isc.h>
26#include <asm/guarded_storage.h>
27
28#define KVM_S390_BSCA_CPU_SLOTS 64
29#define KVM_S390_ESCA_CPU_SLOTS 248
30#define KVM_MAX_VCPUS 255
31
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35
36
37#define KVM_NR_IRQCHIPS 1
38#define KVM_IRQCHIP_NUM_PINS 1
39#define KVM_HALT_POLL_NS_DEFAULT 50000
40
41
42#define KVM_REQ_ENABLE_IBS KVM_ARCH_REQ(0)
43#define KVM_REQ_DISABLE_IBS KVM_ARCH_REQ(1)
44#define KVM_REQ_ICPT_OPEREXC KVM_ARCH_REQ(2)
45#define KVM_REQ_START_MIGRATION KVM_ARCH_REQ(3)
46#define KVM_REQ_STOP_MIGRATION KVM_ARCH_REQ(4)
47#define KVM_REQ_VSIE_RESTART KVM_ARCH_REQ(5)
48
49#define SIGP_CTRL_C 0x80
50#define SIGP_CTRL_SCN_MASK 0x3f
51
52union bsca_sigp_ctrl {
53 __u8 value;
54 struct {
55 __u8 c : 1;
56 __u8 r : 1;
57 __u8 scn : 6;
58 };
59};
60
61union esca_sigp_ctrl {
62 __u16 value;
63 struct {
64 __u8 c : 1;
65 __u8 reserved: 7;
66 __u8 scn;
67 };
68};
69
70struct esca_entry {
71 union esca_sigp_ctrl sigp_ctrl;
72 __u16 reserved1[3];
73 __u64 sda;
74 __u64 reserved2[6];
75};
76
77struct bsca_entry {
78 __u8 reserved0;
79 union bsca_sigp_ctrl sigp_ctrl;
80 __u16 reserved[3];
81 __u64 sda;
82 __u64 reserved2[2];
83};
84
85union ipte_control {
86 unsigned long val;
87 struct {
88 unsigned long k : 1;
89 unsigned long kh : 31;
90 unsigned long kg : 32;
91 };
92};
93
94struct bsca_block {
95 union ipte_control ipte_control;
96 __u64 reserved[5];
97 __u64 mcn;
98 __u64 reserved2;
99 struct bsca_entry cpu[KVM_S390_BSCA_CPU_SLOTS];
100};
101
102struct esca_block {
103 union ipte_control ipte_control;
104 __u64 reserved1[7];
105 __u64 mcn[4];
106 __u64 reserved2[20];
107 struct esca_entry cpu[KVM_S390_ESCA_CPU_SLOTS];
108};
109
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115
116
117struct mcck_volatile_info {
118 __u64 mcic;
119 __u64 failing_storage_address;
120 __u32 ext_damage_code;
121 __u32 reserved;
122};
123
124#define CR0_INITIAL_MASK (CR0_UNUSED_56 | CR0_INTERRUPT_KEY_SUBMASK | \
125 CR0_MEASUREMENT_ALERT_SUBMASK)
126#define CR14_INITIAL_MASK (CR14_UNUSED_32 | CR14_UNUSED_33 | \
127 CR14_EXTERNAL_DAMAGE_SUBMASK)
128
129#define SIDAD_SIZE_MASK 0xff
130#define sida_origin(sie_block) \
131 ((sie_block)->sidad & PAGE_MASK)
132#define sida_size(sie_block) \
133 ((((sie_block)->sidad & SIDAD_SIZE_MASK) + 1) * PAGE_SIZE)
134
135#define CPUSTAT_STOPPED 0x80000000
136#define CPUSTAT_WAIT 0x10000000
137#define CPUSTAT_ECALL_PEND 0x08000000
138#define CPUSTAT_STOP_INT 0x04000000
139#define CPUSTAT_IO_INT 0x02000000
140#define CPUSTAT_EXT_INT 0x01000000
141#define CPUSTAT_RUNNING 0x00800000
142#define CPUSTAT_RETAINED 0x00400000
143#define CPUSTAT_TIMING_SUB 0x00020000
144#define CPUSTAT_SIE_SUB 0x00010000
145#define CPUSTAT_RRF 0x00008000
146#define CPUSTAT_SLSV 0x00004000
147#define CPUSTAT_SLSR 0x00002000
148#define CPUSTAT_ZARCH 0x00000800
149#define CPUSTAT_MCDS 0x00000100
150#define CPUSTAT_KSS 0x00000200
151#define CPUSTAT_SM 0x00000080
152#define CPUSTAT_IBS 0x00000040
153#define CPUSTAT_GED2 0x00000010
154#define CPUSTAT_G 0x00000008
155#define CPUSTAT_GED 0x00000004
156#define CPUSTAT_J 0x00000002
157#define CPUSTAT_P 0x00000001
158
159struct kvm_s390_sie_block {
160 atomic_t cpuflags;
161 __u32 : 1;
162 __u32 prefix : 18;
163 __u32 : 1;
164 __u32 ibc : 12;
165 __u8 reserved08[4];
166#define PROG_IN_SIE (1<<0)
167 __u32 prog0c;
168 union {
169 __u8 reserved10[16];
170 struct {
171 __u64 pv_handle_cpu;
172 __u64 pv_handle_config;
173 };
174 };
175#define PROG_BLOCK_SIE (1<<0)
176#define PROG_REQUEST (1<<1)
177 atomic_t prog20;
178 __u8 reserved24[4];
179 __u64 cputm;
180 __u64 ckc;
181 __u64 epoch;
182 __u32 svcc;
183#define LCTL_CR0 0x8000
184#define LCTL_CR6 0x0200
185#define LCTL_CR9 0x0040
186#define LCTL_CR10 0x0020
187#define LCTL_CR11 0x0010
188#define LCTL_CR14 0x0002
189 __u16 lctl;
190 __s16 icpua;
191#define ICTL_OPEREXC 0x80000000
192#define ICTL_PINT 0x20000000
193#define ICTL_LPSW 0x00400000
194#define ICTL_STCTL 0x00040000
195#define ICTL_ISKE 0x00004000
196#define ICTL_SSKE 0x00002000
197#define ICTL_RRBE 0x00001000
198#define ICTL_TPROT 0x00000200
199 __u32 ictl;
200#define ECA_CEI 0x80000000
201#define ECA_IB 0x40000000
202#define ECA_SIGPI 0x10000000
203#define ECA_MVPGI 0x01000000
204#define ECA_AIV 0x00200000
205#define ECA_VX 0x00020000
206#define ECA_PROTEXCI 0x00002000
207#define ECA_APIE 0x00000008
208#define ECA_SII 0x00000001
209 __u32 eca;
210#define ICPT_INST 0x04
211#define ICPT_PROGI 0x08
212#define ICPT_INSTPROGI 0x0C
213#define ICPT_EXTREQ 0x10
214#define ICPT_EXTINT 0x14
215#define ICPT_IOREQ 0x18
216#define ICPT_WAIT 0x1c
217#define ICPT_VALIDITY 0x20
218#define ICPT_STOP 0x28
219#define ICPT_OPEREXC 0x2C
220#define ICPT_PARTEXEC 0x38
221#define ICPT_IOINST 0x40
222#define ICPT_KSS 0x5c
223#define ICPT_MCHKREQ 0x60
224#define ICPT_INT_ENABLE 0x64
225#define ICPT_PV_INSTR 0x68
226#define ICPT_PV_NOTIFY 0x6c
227#define ICPT_PV_PREF 0x70
228 __u8 icptcode;
229 __u8 icptstatus;
230 __u16 ihcpu;
231 __u8 reserved54;
232#define IICTL_CODE_NONE 0x00
233#define IICTL_CODE_MCHK 0x01
234#define IICTL_CODE_EXT 0x02
235#define IICTL_CODE_IO 0x03
236#define IICTL_CODE_RESTART 0x04
237#define IICTL_CODE_SPECIFICATION 0x10
238#define IICTL_CODE_OPERAND 0x11
239 __u8 iictl;
240 __u16 ipa;
241 __u32 ipb;
242 __u32 scaoh;
243#define FPF_BPBC 0x20
244 __u8 fpf;
245#define ECB_GS 0x40
246#define ECB_TE 0x10
247#define ECB_SRSI 0x04
248#define ECB_HOSTPROTINT 0x02
249 __u8 ecb;
250#define ECB2_CMMA 0x80
251#define ECB2_IEP 0x20
252#define ECB2_PFMFI 0x08
253#define ECB2_ESCA 0x04
254 __u8 ecb2;
255#define ECB3_DEA 0x08
256#define ECB3_AES 0x04
257#define ECB3_RI 0x01
258 __u8 ecb3;
259 __u32 scaol;
260 __u8 sdf;
261 __u8 epdx;
262 __u8 cpnc;
263 __u8 reserved6b;
264 __u32 todpr;
265#define GISA_FORMAT1 0x00000001
266 __u32 gd;
267 __u8 reserved74[12];
268 __u64 mso;
269 __u64 msl;
270 psw_t gpsw;
271 __u64 gg14;
272 __u64 gg15;
273 __u8 reservedb0[8];
274#define HPID_KVM 0x4
275#define HPID_VSIE 0x5
276 __u8 hpid;
277 __u8 reservedb9[7];
278 union {
279 struct {
280 __u32 eiparams;
281 __u16 extcpuaddr;
282 __u16 eic;
283 };
284 __u64 mcic;
285 } __packed;
286 __u32 reservedc8;
287 union {
288 struct {
289 __u16 pgmilc;
290 __u16 iprcc;
291 };
292 __u32 edc;
293 } __packed;
294 union {
295 struct {
296 __u32 dxc;
297 __u16 mcn;
298 __u8 perc;
299 __u8 peratmid;
300 };
301 __u64 faddr;
302 } __packed;
303 __u64 peraddr;
304 __u8 eai;
305 __u8 peraid;
306 __u8 oai;
307 __u8 armid;
308 __u8 reservede4[4];
309 union {
310 __u64 tecmc;
311 struct {
312 __u16 subchannel_id;
313 __u16 subchannel_nr;
314 __u32 io_int_parm;
315 __u32 io_int_word;
316 };
317 } __packed;
318 __u8 reservedf4[8];
319#define CRYCB_FORMAT_MASK 0x00000003
320#define CRYCB_FORMAT0 0x00000000
321#define CRYCB_FORMAT1 0x00000001
322#define CRYCB_FORMAT2 0x00000003
323 __u32 crycbd;
324 __u64 gcr[16];
325 union {
326 __u64 gbea;
327 __u64 sidad;
328 };
329 __u8 reserved188[8];
330 __u64 sdnxo;
331 __u8 reserved198[8];
332 __u32 fac;
333 __u8 reserved1a4[20];
334 __u64 cbrlo;
335 __u8 reserved1c0[8];
336#define ECD_HOSTREGMGMT 0x20000000
337#define ECD_MEF 0x08000000
338#define ECD_ETOKENF 0x02000000
339#define ECD_ECC 0x00200000
340 __u32 ecd;
341 __u8 reserved1cc[18];
342 __u64 pp;
343 __u8 reserved1e6[2];
344 __u64 itdba;
345 __u64 riccbd;
346 __u64 gvrd;
347} __packed __aligned(512);
348
349struct kvm_s390_itdb {
350 __u8 data[256];
351};
352
353struct sie_page {
354 struct kvm_s390_sie_block sie_block;
355 struct mcck_volatile_info mcck_info;
356 __u8 reserved218[360];
357 __u64 pv_grregs[16];
358 __u8 reserved400[512];
359 struct kvm_s390_itdb itdb;
360 __u8 reserved700[2304];
361};
362
363struct kvm_vcpu_stat {
364 struct kvm_vcpu_stat_generic generic;
365 u64 exit_userspace;
366 u64 exit_null;
367 u64 exit_external_request;
368 u64 exit_io_request;
369 u64 exit_external_interrupt;
370 u64 exit_stop_request;
371 u64 exit_validity;
372 u64 exit_instruction;
373 u64 exit_pei;
374 u64 halt_no_poll_steal;
375 u64 instruction_lctl;
376 u64 instruction_lctlg;
377 u64 instruction_stctl;
378 u64 instruction_stctg;
379 u64 exit_program_interruption;
380 u64 exit_instr_and_program;
381 u64 exit_operation_exception;
382 u64 deliver_ckc;
383 u64 deliver_cputm;
384 u64 deliver_external_call;
385 u64 deliver_emergency_signal;
386 u64 deliver_service_signal;
387 u64 deliver_virtio;
388 u64 deliver_stop_signal;
389 u64 deliver_prefix_signal;
390 u64 deliver_restart_signal;
391 u64 deliver_program;
392 u64 deliver_io;
393 u64 deliver_machine_check;
394 u64 exit_wait_state;
395 u64 inject_ckc;
396 u64 inject_cputm;
397 u64 inject_external_call;
398 u64 inject_emergency_signal;
399 u64 inject_mchk;
400 u64 inject_pfault_init;
401 u64 inject_program;
402 u64 inject_restart;
403 u64 inject_set_prefix;
404 u64 inject_stop_signal;
405 u64 instruction_epsw;
406 u64 instruction_gs;
407 u64 instruction_io_other;
408 u64 instruction_lpsw;
409 u64 instruction_lpswe;
410 u64 instruction_pfmf;
411 u64 instruction_ptff;
412 u64 instruction_sck;
413 u64 instruction_sckpf;
414 u64 instruction_stidp;
415 u64 instruction_spx;
416 u64 instruction_stpx;
417 u64 instruction_stap;
418 u64 instruction_iske;
419 u64 instruction_ri;
420 u64 instruction_rrbe;
421 u64 instruction_sske;
422 u64 instruction_ipte_interlock;
423 u64 instruction_stsi;
424 u64 instruction_stfl;
425 u64 instruction_tb;
426 u64 instruction_tpi;
427 u64 instruction_tprot;
428 u64 instruction_tsch;
429 u64 instruction_sie;
430 u64 instruction_essa;
431 u64 instruction_sthyi;
432 u64 instruction_sigp_sense;
433 u64 instruction_sigp_sense_running;
434 u64 instruction_sigp_external_call;
435 u64 instruction_sigp_emergency;
436 u64 instruction_sigp_cond_emergency;
437 u64 instruction_sigp_start;
438 u64 instruction_sigp_stop;
439 u64 instruction_sigp_stop_store_status;
440 u64 instruction_sigp_store_status;
441 u64 instruction_sigp_store_adtl_status;
442 u64 instruction_sigp_arch;
443 u64 instruction_sigp_prefix;
444 u64 instruction_sigp_restart;
445 u64 instruction_sigp_init_cpu_reset;
446 u64 instruction_sigp_cpu_reset;
447 u64 instruction_sigp_unknown;
448 u64 instruction_diagnose_10;
449 u64 instruction_diagnose_44;
450 u64 instruction_diagnose_9c;
451 u64 diag_9c_ignored;
452 u64 diag_9c_forward;
453 u64 instruction_diagnose_258;
454 u64 instruction_diagnose_308;
455 u64 instruction_diagnose_500;
456 u64 instruction_diagnose_other;
457 u64 pfault_sync;
458};
459
460#define PGM_OPERATION 0x01
461#define PGM_PRIVILEGED_OP 0x02
462#define PGM_EXECUTE 0x03
463#define PGM_PROTECTION 0x04
464#define PGM_ADDRESSING 0x05
465#define PGM_SPECIFICATION 0x06
466#define PGM_DATA 0x07
467#define PGM_FIXED_POINT_OVERFLOW 0x08
468#define PGM_FIXED_POINT_DIVIDE 0x09
469#define PGM_DECIMAL_OVERFLOW 0x0a
470#define PGM_DECIMAL_DIVIDE 0x0b
471#define PGM_HFP_EXPONENT_OVERFLOW 0x0c
472#define PGM_HFP_EXPONENT_UNDERFLOW 0x0d
473#define PGM_HFP_SIGNIFICANCE 0x0e
474#define PGM_HFP_DIVIDE 0x0f
475#define PGM_SEGMENT_TRANSLATION 0x10
476#define PGM_PAGE_TRANSLATION 0x11
477#define PGM_TRANSLATION_SPEC 0x12
478#define PGM_SPECIAL_OPERATION 0x13
479#define PGM_OPERAND 0x15
480#define PGM_TRACE_TABEL 0x16
481#define PGM_VECTOR_PROCESSING 0x1b
482#define PGM_SPACE_SWITCH 0x1c
483#define PGM_HFP_SQUARE_ROOT 0x1d
484#define PGM_PC_TRANSLATION_SPEC 0x1f
485#define PGM_AFX_TRANSLATION 0x20
486#define PGM_ASX_TRANSLATION 0x21
487#define PGM_LX_TRANSLATION 0x22
488#define PGM_EX_TRANSLATION 0x23
489#define PGM_PRIMARY_AUTHORITY 0x24
490#define PGM_SECONDARY_AUTHORITY 0x25
491#define PGM_LFX_TRANSLATION 0x26
492#define PGM_LSX_TRANSLATION 0x27
493#define PGM_ALET_SPECIFICATION 0x28
494#define PGM_ALEN_TRANSLATION 0x29
495#define PGM_ALE_SEQUENCE 0x2a
496#define PGM_ASTE_VALIDITY 0x2b
497#define PGM_ASTE_SEQUENCE 0x2c
498#define PGM_EXTENDED_AUTHORITY 0x2d
499#define PGM_LSTE_SEQUENCE 0x2e
500#define PGM_ASTE_INSTANCE 0x2f
501#define PGM_STACK_FULL 0x30
502#define PGM_STACK_EMPTY 0x31
503#define PGM_STACK_SPECIFICATION 0x32
504#define PGM_STACK_TYPE 0x33
505#define PGM_STACK_OPERATION 0x34
506#define PGM_ASCE_TYPE 0x38
507#define PGM_REGION_FIRST_TRANS 0x39
508#define PGM_REGION_SECOND_TRANS 0x3a
509#define PGM_REGION_THIRD_TRANS 0x3b
510#define PGM_MONITOR 0x40
511#define PGM_PER 0x80
512#define PGM_CRYPTO_OPERATION 0x119
513
514
515enum irq_types {
516 IRQ_PEND_SET_PREFIX = 0,
517 IRQ_PEND_RESTART,
518 IRQ_PEND_SIGP_STOP,
519 IRQ_PEND_IO_ISC_7,
520 IRQ_PEND_IO_ISC_6,
521 IRQ_PEND_IO_ISC_5,
522 IRQ_PEND_IO_ISC_4,
523 IRQ_PEND_IO_ISC_3,
524 IRQ_PEND_IO_ISC_2,
525 IRQ_PEND_IO_ISC_1,
526 IRQ_PEND_IO_ISC_0,
527 IRQ_PEND_VIRTIO,
528 IRQ_PEND_PFAULT_DONE,
529 IRQ_PEND_PFAULT_INIT,
530 IRQ_PEND_EXT_HOST,
531 IRQ_PEND_EXT_SERVICE,
532 IRQ_PEND_EXT_SERVICE_EV,
533 IRQ_PEND_EXT_TIMING,
534 IRQ_PEND_EXT_CPU_TIMER,
535 IRQ_PEND_EXT_CLOCK_COMP,
536 IRQ_PEND_EXT_EXTERNAL,
537 IRQ_PEND_EXT_EMERGENCY,
538 IRQ_PEND_EXT_MALFUNC,
539 IRQ_PEND_EXT_IRQ_KEY,
540 IRQ_PEND_MCHK_REP,
541 IRQ_PEND_PROG,
542 IRQ_PEND_SVC,
543 IRQ_PEND_MCHK_EX,
544 IRQ_PEND_COUNT
545};
546
547
548
549
550#define KVM_S390_MAX_VIRTIO_IRQS 87381
551
552
553
554
555
556#define MCHK_EXTD_BIT 58
557#define MCHK_DEGR_BIT 56
558#define MCHK_WARN_BIT 55
559#define MCHK_REP_MASK ((1UL << MCHK_DEGR_BIT) | \
560 (1UL << MCHK_EXTD_BIT) | \
561 (1UL << MCHK_WARN_BIT))
562
563
564#define MCHK_SD_BIT 63
565#define MCHK_PD_BIT 62
566#define MCHK_EX_MASK ((1UL << MCHK_SD_BIT) | (1UL << MCHK_PD_BIT))
567
568#define IRQ_PEND_EXT_MASK ((1UL << IRQ_PEND_EXT_IRQ_KEY) | \
569 (1UL << IRQ_PEND_EXT_CLOCK_COMP) | \
570 (1UL << IRQ_PEND_EXT_CPU_TIMER) | \
571 (1UL << IRQ_PEND_EXT_MALFUNC) | \
572 (1UL << IRQ_PEND_EXT_EMERGENCY) | \
573 (1UL << IRQ_PEND_EXT_EXTERNAL) | \
574 (1UL << IRQ_PEND_EXT_TIMING) | \
575 (1UL << IRQ_PEND_EXT_HOST) | \
576 (1UL << IRQ_PEND_EXT_SERVICE) | \
577 (1UL << IRQ_PEND_EXT_SERVICE_EV) | \
578 (1UL << IRQ_PEND_VIRTIO) | \
579 (1UL << IRQ_PEND_PFAULT_INIT) | \
580 (1UL << IRQ_PEND_PFAULT_DONE))
581
582#define IRQ_PEND_IO_MASK ((1UL << IRQ_PEND_IO_ISC_0) | \
583 (1UL << IRQ_PEND_IO_ISC_1) | \
584 (1UL << IRQ_PEND_IO_ISC_2) | \
585 (1UL << IRQ_PEND_IO_ISC_3) | \
586 (1UL << IRQ_PEND_IO_ISC_4) | \
587 (1UL << IRQ_PEND_IO_ISC_5) | \
588 (1UL << IRQ_PEND_IO_ISC_6) | \
589 (1UL << IRQ_PEND_IO_ISC_7))
590
591#define IRQ_PEND_MCHK_MASK ((1UL << IRQ_PEND_MCHK_REP) | \
592 (1UL << IRQ_PEND_MCHK_EX))
593
594#define IRQ_PEND_EXT_II_MASK ((1UL << IRQ_PEND_EXT_CPU_TIMER) | \
595 (1UL << IRQ_PEND_EXT_CLOCK_COMP) | \
596 (1UL << IRQ_PEND_EXT_EMERGENCY) | \
597 (1UL << IRQ_PEND_EXT_EXTERNAL) | \
598 (1UL << IRQ_PEND_EXT_SERVICE) | \
599 (1UL << IRQ_PEND_EXT_SERVICE_EV))
600
601struct kvm_s390_interrupt_info {
602 struct list_head list;
603 u64 type;
604 union {
605 struct kvm_s390_io_info io;
606 struct kvm_s390_ext_info ext;
607 struct kvm_s390_pgm_info pgm;
608 struct kvm_s390_emerg_info emerg;
609 struct kvm_s390_extcall_info extcall;
610 struct kvm_s390_prefix_info prefix;
611 struct kvm_s390_stop_info stop;
612 struct kvm_s390_mchk_info mchk;
613 };
614};
615
616struct kvm_s390_irq_payload {
617 struct kvm_s390_io_info io;
618 struct kvm_s390_ext_info ext;
619 struct kvm_s390_pgm_info pgm;
620 struct kvm_s390_emerg_info emerg;
621 struct kvm_s390_extcall_info extcall;
622 struct kvm_s390_prefix_info prefix;
623 struct kvm_s390_stop_info stop;
624 struct kvm_s390_mchk_info mchk;
625};
626
627struct kvm_s390_local_interrupt {
628 spinlock_t lock;
629 DECLARE_BITMAP(sigp_emerg_pending, KVM_MAX_VCPUS);
630 struct kvm_s390_irq_payload irq;
631 unsigned long pending_irqs;
632};
633
634#define FIRQ_LIST_IO_ISC_0 0
635#define FIRQ_LIST_IO_ISC_1 1
636#define FIRQ_LIST_IO_ISC_2 2
637#define FIRQ_LIST_IO_ISC_3 3
638#define FIRQ_LIST_IO_ISC_4 4
639#define FIRQ_LIST_IO_ISC_5 5
640#define FIRQ_LIST_IO_ISC_6 6
641#define FIRQ_LIST_IO_ISC_7 7
642#define FIRQ_LIST_PFAULT 8
643#define FIRQ_LIST_VIRTIO 9
644#define FIRQ_LIST_COUNT 10
645#define FIRQ_CNTR_IO 0
646#define FIRQ_CNTR_SERVICE 1
647#define FIRQ_CNTR_VIRTIO 2
648#define FIRQ_CNTR_PFAULT 3
649#define FIRQ_MAX_COUNT 4
650
651
652#define AIS_MODE_MASK(isc) (0x80 >> isc)
653
654#define KVM_S390_AIS_MODE_ALL 0
655#define KVM_S390_AIS_MODE_SINGLE 1
656
657struct kvm_s390_float_interrupt {
658 unsigned long pending_irqs;
659 unsigned long masked_irqs;
660 spinlock_t lock;
661 struct list_head lists[FIRQ_LIST_COUNT];
662 int counters[FIRQ_MAX_COUNT];
663 struct kvm_s390_mchk_info mchk;
664 struct kvm_s390_ext_info srv_signal;
665 int next_rr_cpu;
666 struct mutex ais_lock;
667 u8 simm;
668 u8 nimm;
669};
670
671struct kvm_hw_wp_info_arch {
672 unsigned long addr;
673 unsigned long phys_addr;
674 int len;
675 char *old_data;
676};
677
678struct kvm_hw_bp_info_arch {
679 unsigned long addr;
680 int len;
681};
682
683
684
685
686
687
688#define KVM_GUESTDBG_EXIT_PENDING 0x10000000
689
690#define guestdbg_enabled(vcpu) \
691 (vcpu->guest_debug & KVM_GUESTDBG_ENABLE)
692#define guestdbg_sstep_enabled(vcpu) \
693 (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP)
694#define guestdbg_hw_bp_enabled(vcpu) \
695 (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)
696#define guestdbg_exit_pending(vcpu) (guestdbg_enabled(vcpu) && \
697 (vcpu->guest_debug & KVM_GUESTDBG_EXIT_PENDING))
698
699#define KVM_GUESTDBG_VALID_MASK \
700 (KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_SINGLESTEP |\
701 KVM_GUESTDBG_USE_HW_BP | KVM_GUESTDBG_EXIT_PENDING)
702
703struct kvm_guestdbg_info_arch {
704 unsigned long cr0;
705 unsigned long cr9;
706 unsigned long cr10;
707 unsigned long cr11;
708 struct kvm_hw_bp_info_arch *hw_bp_info;
709 struct kvm_hw_wp_info_arch *hw_wp_info;
710 int nr_hw_bp;
711 int nr_hw_wp;
712 unsigned long last_bp;
713};
714
715struct kvm_s390_pv_vcpu {
716 u64 handle;
717 unsigned long stor_base;
718};
719
720struct kvm_vcpu_arch {
721 struct kvm_s390_sie_block *sie_block;
722
723 struct kvm_s390_sie_block *vsie_block;
724 unsigned int host_acrs[NUM_ACRS];
725 struct gs_cb *host_gscb;
726 struct fpu host_fpregs;
727 struct kvm_s390_local_interrupt local_int;
728 struct hrtimer ckc_timer;
729 struct kvm_s390_pgm_info pgm;
730 struct gmap *gmap;
731
732 struct gmap *enabled_gmap;
733 struct kvm_guestdbg_info_arch guestdbg;
734 unsigned long pfault_token;
735 unsigned long pfault_select;
736 unsigned long pfault_compare;
737 bool cputm_enabled;
738
739
740
741
742
743
744 seqcount_t cputm_seqcount;
745 __u64 cputm_start;
746 bool gs_enabled;
747 bool skey_enabled;
748 struct kvm_s390_pv_vcpu pv;
749 union diag318_info diag318_info;
750};
751
752struct kvm_vm_stat {
753 struct kvm_vm_stat_generic generic;
754 u64 inject_io;
755 u64 inject_float_mchk;
756 u64 inject_pfault_done;
757 u64 inject_service_signal;
758 u64 inject_virtio;
759};
760
761struct kvm_arch_memory_slot {
762};
763
764struct s390_map_info {
765 struct list_head list;
766 __u64 guest_addr;
767 __u64 addr;
768 struct page *page;
769};
770
771struct s390_io_adapter {
772 unsigned int id;
773 int isc;
774 bool maskable;
775 bool masked;
776 bool swap;
777 bool suppressible;
778};
779
780#define MAX_S390_IO_ADAPTERS ((MAX_ISC + 1) * 8)
781#define MAX_S390_ADAPTER_MAPS 256
782
783
784#define S390_ARCH_FAC_LIST_SIZE_BYTE (1<<11)
785#define S390_ARCH_FAC_LIST_SIZE_U64 \
786 (S390_ARCH_FAC_LIST_SIZE_BYTE / sizeof(u64))
787#define S390_ARCH_FAC_MASK_SIZE_BYTE S390_ARCH_FAC_LIST_SIZE_BYTE
788#define S390_ARCH_FAC_MASK_SIZE_U64 \
789 (S390_ARCH_FAC_MASK_SIZE_BYTE / sizeof(u64))
790
791struct kvm_s390_cpu_model {
792
793 __u64 fac_mask[S390_ARCH_FAC_LIST_SIZE_U64];
794 struct kvm_s390_vm_cpu_subfunc subfuncs;
795
796 __u64 *fac_list;
797 u64 cpuid;
798 unsigned short ibc;
799};
800
801struct kvm_s390_module_hook {
802 int (*hook)(struct kvm_vcpu *vcpu);
803 struct module *owner;
804};
805
806struct kvm_s390_crypto {
807 struct kvm_s390_crypto_cb *crycb;
808 struct kvm_s390_module_hook *pqap_hook;
809 __u32 crycbd;
810 __u8 aes_kw;
811 __u8 dea_kw;
812 __u8 apie;
813};
814
815#define APCB0_MASK_SIZE 1
816struct kvm_s390_apcb0 {
817 __u64 apm[APCB0_MASK_SIZE];
818 __u64 aqm[APCB0_MASK_SIZE];
819 __u64 adm[APCB0_MASK_SIZE];
820 __u64 reserved18;
821};
822
823#define APCB1_MASK_SIZE 4
824struct kvm_s390_apcb1 {
825 __u64 apm[APCB1_MASK_SIZE];
826 __u64 aqm[APCB1_MASK_SIZE];
827 __u64 adm[APCB1_MASK_SIZE];
828 __u64 reserved60[4];
829};
830
831struct kvm_s390_crypto_cb {
832 struct kvm_s390_apcb0 apcb0;
833 __u8 reserved20[0x0048 - 0x0020];
834 __u8 dea_wrapping_key_mask[24];
835 __u8 aes_wrapping_key_mask[32];
836 struct kvm_s390_apcb1 apcb1;
837};
838
839struct kvm_s390_gisa {
840 union {
841 struct {
842 u32 next_alert;
843 u8 ipm;
844 u8 reserved01[2];
845 u8 iam;
846 };
847 struct {
848 u32 next_alert;
849 u8 ipm;
850 u8 reserved01;
851 u8 : 6;
852 u8 g : 1;
853 u8 c : 1;
854 u8 iam;
855 u8 reserved02[4];
856 u32 airq_count;
857 } g0;
858 struct {
859 u32 next_alert;
860 u8 ipm;
861 u8 simm;
862 u8 nimm;
863 u8 iam;
864 u8 aism[8];
865 u8 : 6;
866 u8 g : 1;
867 u8 c : 1;
868 u8 reserved03[11];
869 u32 airq_count;
870 } g1;
871 struct {
872 u64 word[4];
873 } u64;
874 };
875};
876
877struct kvm_s390_gib {
878 u32 alert_list_origin;
879 u32 reserved01;
880 u8:5;
881 u8 nisc:3;
882 u8 reserved03[3];
883 u32 reserved04[5];
884};
885
886
887
888
889
890struct sie_page2 {
891 __u64 fac_list[S390_ARCH_FAC_LIST_SIZE_U64];
892 struct kvm_s390_crypto_cb crycb;
893 struct kvm_s390_gisa gisa;
894 struct kvm *kvm;
895 u8 reserved928[0x1000 - 0x928];
896};
897
898struct kvm_s390_vsie {
899 struct mutex mutex;
900 struct radix_tree_root addr_to_page;
901 int page_count;
902 int next;
903 struct page *pages[KVM_MAX_VCPUS];
904};
905
906struct kvm_s390_gisa_iam {
907 u8 mask;
908 spinlock_t ref_lock;
909 u32 ref_count[MAX_ISC + 1];
910};
911
912struct kvm_s390_gisa_interrupt {
913 struct kvm_s390_gisa *origin;
914 struct kvm_s390_gisa_iam alert;
915 struct hrtimer timer;
916 u64 expires;
917 DECLARE_BITMAP(kicked_mask, KVM_MAX_VCPUS);
918};
919
920struct kvm_s390_pv {
921 u64 handle;
922 u64 guest_len;
923 unsigned long stor_base;
924 void *stor_var;
925};
926
927struct kvm_arch{
928 void *sca;
929 int use_esca;
930 rwlock_t sca_lock;
931 debug_info_t *dbf;
932 struct kvm_s390_float_interrupt float_int;
933 struct kvm_device *flic;
934 struct gmap *gmap;
935 unsigned long mem_limit;
936 int css_support;
937 int use_irqchip;
938 int use_cmma;
939 int use_pfmfi;
940 int use_skf;
941 int user_cpu_state_ctrl;
942 int user_sigp;
943 int user_stsi;
944 int user_instr0;
945 struct s390_io_adapter *adapters[MAX_S390_IO_ADAPTERS];
946 wait_queue_head_t ipte_wq;
947 int ipte_lock_count;
948 struct mutex ipte_mutex;
949 spinlock_t start_stop_lock;
950 struct sie_page2 *sie_page2;
951 struct kvm_s390_cpu_model model;
952 struct kvm_s390_crypto crypto;
953 struct kvm_s390_vsie vsie;
954 u8 epdx;
955 u64 epoch;
956 int migration_mode;
957 atomic64_t cmma_dirty_pages;
958
959 DECLARE_BITMAP(cpu_feat, KVM_S390_VM_CPU_FEAT_NR_BITS);
960 DECLARE_BITMAP(idle_mask, KVM_MAX_VCPUS);
961 struct kvm_s390_gisa_interrupt gisa_int;
962 struct kvm_s390_pv pv;
963};
964
965#define KVM_HVA_ERR_BAD (-1UL)
966#define KVM_HVA_ERR_RO_BAD (-2UL)
967
968static inline bool kvm_is_error_hva(unsigned long addr)
969{
970 return IS_ERR_VALUE(addr);
971}
972
973#define ASYNC_PF_PER_VCPU 64
974struct kvm_arch_async_pf {
975 unsigned long pfault_token;
976};
977
978bool kvm_arch_can_dequeue_async_page_present(struct kvm_vcpu *vcpu);
979
980void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu,
981 struct kvm_async_pf *work);
982
983bool kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu,
984 struct kvm_async_pf *work);
985
986void kvm_arch_async_page_present(struct kvm_vcpu *vcpu,
987 struct kvm_async_pf *work);
988
989static inline void kvm_arch_async_page_present_queued(struct kvm_vcpu *vcpu) {}
990
991void kvm_arch_crypto_clear_masks(struct kvm *kvm);
992void kvm_arch_crypto_set_masks(struct kvm *kvm, unsigned long *apm,
993 unsigned long *aqm, unsigned long *adm);
994
995extern int sie64a(struct kvm_s390_sie_block *, u64 *);
996extern char sie_exit;
997
998extern int kvm_s390_gisc_register(struct kvm *kvm, u32 gisc);
999extern int kvm_s390_gisc_unregister(struct kvm *kvm, u32 gisc);
1000
1001static inline void kvm_arch_hardware_disable(void) {}
1002static inline void kvm_arch_sync_events(struct kvm *kvm) {}
1003static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
1004static inline void kvm_arch_free_memslot(struct kvm *kvm,
1005 struct kvm_memory_slot *slot) {}
1006static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {}
1007static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {}
1008static inline void kvm_arch_flush_shadow_memslot(struct kvm *kvm,
1009 struct kvm_memory_slot *slot) {}
1010static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
1011static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}
1012
1013void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu);
1014
1015#endif
1016